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metabolic surgery and diabetes

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https://www.readbyqxmd.com/read/28104753/the-effect-of-adrenal-medullectomy-on-metabolic-responses-to-chronic-intermittent-hypoxia-in-the-frequently-sampled-intravenous-glucose-tolerance-test
#1
Mi-Kyung Shin, Woobum Han, Hoon Joo, Shannon Bevans-Fonti, Masakazu Shiota, Darko Stefanovski, Vsevolod Y Polotsky
Obstructive sleep apnea is associated with type 2 diabetes. We have previously developed a mouse model of intermittent hypoxia (IH) mimicking oxyhemoglobin desaturations in patients with sleep apnea and have shown that IH increases fasting glucose, hepatic glucose output, and plasma catecholamines. We hypothesize that adrenal medulla modulates glucose responses to IH, and that such responses can be prevented by adrenal medullectomy. We performed adrenal medullectomy or sham surgery in lean C57BL/6J mice, which were exposed to IH or intermittent air (control) for 4 weeks followed by the frequently sampled intravenous glucose tolerance test (FSIVGTT) in unanesthetized unrestrained animals...
January 19, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28103701/metformin-prevents-the-progression-of-dysplastic-mucosa-of-the-head-and-neck-to-carcinoma-in-nondiabetic-patients
#2
Michael Zvi Lerner, Niv Mor, Hyung Paek, Andrew Blitzer, Marshall Strome
OBJECTIVE: Metformin is an oral anti-hyperglycemic agent used to treat type 2 diabetes mellitus (DM). In vitro and animal models have shown that metformin can prevent the progression of oral lesions to carcinoma; however, there is conflicting data in the clinical literature regarding risk reduction for malignancy in head and neck cancer (HNC). STUDY DESIGN: Case series. METHODS: We present 3 cases in which adjuvant metformin therapy was used to treat recurrent and multifocal dysplastic lesions in previously treated nondiabetic HNC patients...
January 1, 2017: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/28101844/prediction-of-diabetes-remission-at-long-term-following-biliopancreatic-diversion
#3
Nicola Scopinaro, Gian Franco Adami, Paolo Bruzzi, Renzo Cordera
IMPORTANCE: In obese patients with type 2 diabetes (T2DM), the marked weight loss following bariatric surgery is accompanied in a consistent number of cases by T2DM resolution or control. The clinical need of preoperative parameters reliable in predicting a positive metabolic outcome at long term following the operation has then emerged. OBSERVATION: A cohort of 135 consecutive T2DM patients with a wide range of body mass index (BMI) at more than 5 years following biliopancreatic diversion (BPD) was considered...
January 18, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28098067/renal-function-in-type-2-diabetes-following-gastric-bypass
#4
Adrian T Billeter, Stefan Kopf, Martin Zeier, Katharina Scheurlen, Lars Fischer, Thilo M Schulte, Hannes G Kenngott, Barbara Israel, Philipp Knefeli, Markus W Büchler, Peter P Nawroth, Beat P Müller-Stich
BACKGROUND: Metabolic surgery for obese patients with type 2 diabetes (T2D) yields short- and long-term remission rates of 60-90%. Its effects on diabetesassociated complications such as neuropathy and nephropathy have not been well studied to date. Hardly any data are available on this subject with respect to moderately obese patients (body mass index [BMI] 25-35 kg/m2) with insulin-dependent T2D. Our previous studies suggest that, in such patients, treatment with a Roux-en-Y gastric bypass (RYGB) improves diabetic neuropathy...
December 9, 2016: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28091894/mechanisms-of-action-of-surgical-interventions-on-weight-related-diseases-the-potential-role-of-bile-acids
#5
REVIEW
Mohsen Mazidi, Pedro Paulo P de Caravatto, John R Speakman, Ricardo V Cohen
Surgical interventions for weight-related diseases (SWRD) may have substantial and sustainable effect on weight reduction, also leading to a higher remission rate of type 2 diabetes (T2D) mellitus than any other medical treatment or lifestyle intervention. The resolution of T2D after Roux-en-Y gastric bypass (RYGB) typically occurs too quickly to be accounted for by weight loss alone, suggesting that these operations have a direct impact on glucose homeostasis. The mechanisms underlying these beneficial effects however remain unclear...
January 14, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28080219/adipose-tissue-insulin-resistance-in-gestational-diabetes
#6
Batbayar Tumurbaatar, Aaron T Poole, Gayle Olson, Michel Makhlouf, Hanaa S Sallam, Shwetha Thukuntla, Sucharitha Kankanala, Obos Ekhaese, Guillermo Gomez, Manisha Chandalia, Nicola Abate
BACKGROUND: Gestational diabetes mellitus (GDM) is a metabolic disorder characterized by insulin resistance (IR) and altered glucose-lipid metabolism. We propose that ectonucleotide pyrophosphate phosphodiesterase-1 (ENPP1), a protein known to induce adipocyte IR, is a determinant of GDM. Our objective was to study ENPP1 expression in adipose tissue (AT) of obese pregnant women with or without GDM, as well as glucose tolerance in pregnant transgenic (Tg) mice with AT-specific overexpression of human ENPP1...
January 12, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28077412/microvascular-outcomes-after-metabolic-surgery-moms-in-patients-with-type-2-diabetes-mellitus-and-class-i-obesity-rationale-and-design-for-a-randomised-controlled-trial
#7
Ricardo Vitor Cohen, Tiago Veiga Pereira, Cristina Mamédio Aboud, Pedro Paulo de Paris Caravatto, Tarissa Beatrice Zanata Petry, José Luis Lopes Correa, Carlos Aurélio Schiavon, Mariangela Correa, Carlos Eduardo Pompílio, Fernando Nogueira Quirino Pechy, Carel le Roux
INTRODUCTION: There are several randomised controlled trials (RCTs) that have already shown that metabolic/bariatric surgery achieves short-term and long-term glycaemic control while there are no level 1A of evidence data regarding the effects of surgery on the microvascular complications of type 2 diabetes mellitus (T2DM). PURPOSE: The aim of this trial is to investigate the long-term efficacy and safety of the Roux-en-Y gastric bypass (RYGB) plus the best medical treatment (BMT) versus the BMT alone to improve microvascular outcomes in patients with T2DM with a body mass index (BMI) of 30-34...
January 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28043896/marrow-adipose-tissue-composition-in-adults-with-morbid-obesity
#8
Elaine W Yu, Logan Greenblatt, Alireza Eajazi, Martin Torriani, Miriam A Bredella
Patients with type 2 diabetes mellitus (T2DM) have increased fracture risk despite normal or increased bone mineral density (BMD). Elevations in marrow adipose tissue (MAT) and declines in MAT unsaturation are both associated with increased skeletal fragility. The objective of our study was to characterize the quantity and composition of MAT in adults with morbid obesity and T2DM, and to evaluate determinants of MAT. We studied 21 adults with morbid obesity prior to bariatric surgery, 8 of whom had T2DM. All subjects underwent 1H-MR spectroscopy of the lumbar spine and femur for assessment of MAT and dual-energy x-ray absorptiometry (DXA) and quantitative computed tomography (QCT) of the lumbar spine and hip for assessment of areal BMD (aBMD) and volumetric BMD (vBMD)...
December 30, 2016: Bone
https://www.readbyqxmd.com/read/28029598/perioperative-outcome-of-laparoscopic-sleeve-gastrectomy-for-high-risk-patients
#9
Yves Borbély, Olivier Juilland, Julia Altmeier, Dino Kröll, Philipp C Nett
BACKGROUND: Morbidly obese patients with excessive concomitant disease carry a significantly increased perioperative risk. Although they may benefit most from a bariatric intervention, they are often denied surgery. Laparoscopic sleeve gastrectomy (LSG), as it is less complication-prone than other bariatric procedures, suits the needs of those patients. OBJECTIVE: To review the short-term outcome of LSG for high-risk patients SETTING: University hospital, Switzerland...
August 26, 2016: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28017845/endoscopic-sleeve-gastroplasty-significantly-reduces-body-mass-index-and-metabolic-complications-in-obese-patients
#10
Reem Z Sharaiha, Nikhil A Kumta, Monica Saumoy, Amit P Desai, Alex M Sarkisian, Andrea Benevenuto, Amy Tyberg, Rekha Kumar, Leon Igel, Elizabeth C Verna, Robert Schwartz, Christina Frissora, Alpana Shukla, Louis J Aronne, Michel Kahaleh
BACKGROUND & AIMS: Endoscopic sleeve gastroplasty (ESG) is an incisionless, minimally invasive bariatric procedure that reduces the length and width of the gastric cavity to facilitate weight loss. We performed a prospective study to evaluate the effects of ESG on total body weight loss and obesity-related comorbidities. METHODS: We collected data from 91 consecutive patients (mean age, 43.86 ± 11.26 years; 68% female) undergoing ESG from August 2013 through March 2016...
December 22, 2016: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28008090/scaling-it-down-new-in-vitro-tools-to-get-the-balance-right
#11
Emma K Biggs, Fiona M Gribble, Frank Reimann
Treatments for diabetes and obesity based on enteroendocrine hormones are a focus of research interest, partly due to the successes of glucagon-like peptide-1 (GLP-1) mimetic peptides in the treatment of diabetes and the correlation of altered enteroendocrine profiles with the positive metabolic outcomes of gastric bypass surgery. It is thought that simultaneous stimulation of more than one receptor might mimic the superior efficacy of the latter and dual or triple-agonist peptides are under investigation. An important step in developing multiple agonists is to establish the relative pharmacological potency and efficacy of new molecules at its different target receptors, and to optimise the balance of activities to achieve the desired treatment outcome...
January 1, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/27999001/glucose-metabolism-after-gastric-banding-and-gastric-bypass-in-individuals-with-type-2-diabetes-weight-loss-effect
#12
Marlena M Holter, Roxanne Dutia, Sarah M Stano, Ronald L Prigeon, Peter Homel, James J McGinty, Scott J Belsley, Christine J Ren, Daniel Rosen, Blandine Laferrère
OBJECTIVE: The superior effect of Roux-en-Y gastric bypass (RYGB) on glucose control compared with laparoscopic adjustable gastric banding (LAGB) is confounded by the greater weight loss after RYGB. We therefore examined the effect of these two surgeries on metabolic parameters matched on small and large amounts of weight loss. RESEARCH DESIGN AND METHODS: Severely obese individuals with type 2 diabetes were tested for glucose metabolism, β-cell function, and insulin sensitivity after oral and intravenous glucose stimuli, before and 1 year after RYGB and LAGB, and at 10% and 20% weight loss after each surgery...
January 2017: Diabetes Care
https://www.readbyqxmd.com/read/27991713/roles-of-the-gut-in-the-metabolic-syndrome-an-overview
#13
REVIEW
L Fändriks
The metabolic syndrome is a cluster of risk factors (central obesity, hyperglycaemia, dyslipidaemia and arterial hypertension), indicating an increased risk of diabetes, cardiovascular disease and premature mortality. The gastrointestinal tract is seldom discussed as an organ system of principal importance for metabolic diseases. The present overview connects various metabolic research lines into an integrative physiological context in which the gastrointestinal tract is included. Strong evidence for the involvement of the gut in the metabolic syndrome derives from the powerful effects of weight-reducing (bariatric) gastrointestinal surgery...
December 19, 2016: Journal of Internal Medicine
https://www.readbyqxmd.com/read/27991021/-our-metabolic-surgical-activity-2010-2016
#14
Elemér Mohos, Attila Nagy, György Szabados, Lóránt Szabó, László Szabó, Béla Gál, Miklós Kiss, György Réti, Tamás Kovács, Zoltán Jánó, Csaba Berki, József Mohay, Krisztina Bene, Gábor Bognár, Myroslav Horzov, Petra Mohos, Gábor Sándor, Gábor Tornai, Péter Szenkovits, Tibor Nagy, Csaba Orbán, Vivien Herpai
INTRODUCTION: The prevalence of morbid obesity and its co-morbidities - first of all diabetes type 2 - increased dramatically in the last decades. As the conservative ways of treatment (diet, training, etc.) in most cases does not lead to effective and long term weight loss, there is an increasing need for the metabolic surgical interventions. METHOD: During the last 6 and half years 514 laparoscopic RouxY gastric bypass (LRYGB) and 54 laparoscopic gastric sleeve resection (LGSR) were performed in our department...
December 2016: Magyar Sebészet
https://www.readbyqxmd.com/read/27990787/metabolic-surgery-for-type-2-diabetes-mellitus-experience-from-asia
#15
REVIEW
Wei Jei Lee, Lwin Aung
Type 2 diabetes mellitus (T2DM) is a current global health priority and Asia is the epicenter of this epidemic disease. Unlike in the west, where older population is most affected, the burden of diabetes in Asian countries is disproportionately high in young to middle-age adults. The incidence of diabetic nephropathy is alarmingly high in patients with early onset T2DM, especially in those with poor glycemic control. How to control this chronic and debilitating disease is currently a very important health issue in Asia...
December 2016: Diabetes & Metabolism Journal
https://www.readbyqxmd.com/read/27989518/obesity-and-diabetes-as-prognostic-factors-in-patients-with-colorectal-cancer
#16
REVIEW
Ioannis A Voutsadakis
Colorectal carcinoma is one of the most prevalent cancer types for both men and women. Prognosis of the disease is mostly defined by the stage. Localized disease has a better prognosis especially in earlier stages I and II. In addition most patients with more advanced localized stage III disease are expected to survive with a combination of surgery and adjuvant treatments. Progress in treatment of metastatic disease has led to median survivals exceeding 2 years and a minority of oligometastatic patients may survive even longer or be cured with multimodality therapy...
December 13, 2016: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/27986588/circulating-apolipoprotein-a-iv-presurgical-levels-are-associated-with-improvement-in-insulin-sensitivity-after-roux-en-y-gastric-bypass-surgery
#17
Raghavendra Rao, Alexander Roche, Gerardo Febres, Marc Bessler, Patrick Tso, Judith Korner
BACKGROUND: Apolipoprotein A-IV (ApoA-IV) has been shown to be involved in obesity and diabetes pathogenesis in animal studies, but its role in humans is uncertain. OBJECTIVES: The objective of this study was to determine the relation of ApoA-IV with changes in glucose metabolism and weight after bariatric surgery. SETTING: University Hospital. METHODS: The patients (n = 49) included lean controls (n = 8) and patients before and after a mean of 7 months after laparoscopic adjustable gastric banding (LAGB, n = 12), laparoscopic Roux-en-Y gastric bypass (RYGB, n = 22), or laparoscopic sleeve gastrectomy (SG, n = 11)...
October 26, 2016: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/27986580/no-effect-of-different-bariatric-surgery-procedures-on-line-1-dna-methylation-in-diabetic-and-nondiabetic-morbidly-obese-patients
#18
G M Martín-Núñez, A Cabrera-Mulero, J Alcaide-Torres, E García-Fuentes, F J Tinahones, S Morcillo
BACKGROUND: Bariatric surgery (BS) is proposed as a highly effective therapy for reducing weight and improving obesity-related co-morbidities. The molecular mechanisms involved in the metabolic improvement after BS are not completely resolved. Epigenetic modifications could have an important role. OBJECTIVE: The aim of this study was to evaluate the effect of different BS procedures (Roux-en-Y gastric bypass and laparoscopic sleeve gastrectomy) on global DNA methylation (long interspersed nucleotide element 1 [LINE-1]) in a group of nondiabetic and diabetic severely obese patients...
October 21, 2016: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/27986549/evaluation-of-the-biochemical-inflammatory-and-oxidative-profile-of-obese-patients-given-clinical-treatment-and-bariatric-surgery
#19
Roberta Schmatz, Mariana R Bitencourt, Luciana D Patias, Maristela Beck, Glauco da C Alvarez, Daniela Zanini, Jessié M Gutierres, Lia Natália Diehl, Luciane B Pereira, Claudio Alberto Leal, Marta Frescura Duarte, Maria Rosa Schetinger, Vera Maria Morsch
BACKGROUND: We investigated the biochemical and inflammatory parameters as well as biomarkers of oxidative stress in morbidly obese patients before and after bariatric surgery and clinical treatment. METHODS: This study was conducted using 60 individuals (10 men and 50 women) distributed into 3 groups: the control group, 20 non-diabetic obese patients given clinical treatment, the bariatric group, 20 non-diabetic obese patients given a Roux-en-Y bypass gastroplasty, and the bariatric diabetic group, 20 diabetic obese patients given a Roux-en-Y bypass gastroplasty...
December 14, 2016: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/27957699/metabolic-surgery-in-the-treatment-algorithm-for-type-2-diabetes-a-joint-statement-by-international-diabetes-organizations
#20
Francesco Rubino, David M Nathan, Robert H Eckel, Philip R Schauer, K George M M Alberti, Paul Z Zimmet, Stefano Del Prato, Linong Ji, Shaukat M Sadikot, William H Herman, Stephanie A Amiel, Lee M Kaplan, Gaspar Taroncher-Oldenburg, David E Cummings
BACKGROUND: Despite growing evidence that bariatric/metabolic surgery powerfully improves type 2 diabetes (T2D), existing diabetes treatment algorithms do not include surgical options. AIM: The 2nd Diabetes Surgery Summit (DSS-II), an international consensus conference, was convened in collaboration with leading diabetes organizations to develop global guidelines to inform clinicians and policymakers about benefits and limitations of metabolic surgery for T2D. METHODS: A multidisciplinary group of 48 international clinicians/scholars (75% nonsurgeons), including representatives of leading diabetes organizations, participated in DSS-II...
January 2017: Obesity Surgery
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